Question

Senti is twice as old as her brother . 3 years ago, Senti's
age was three times of her brother's age .Find the age of Senti.

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Answer 1

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Answer 2

Answer: senti's age =2x

              brothers age=x

after 3 years age of santi= 2x-3

after 3 years his brothers age=x-3

age of santi = age of brother

2x - 3 = 3(x - 3)

2x - 3 = 3x - 9

now group them according to their variables:-

2x - 3x = 9 + 3

x = 12

therefore sentis age = 2×12=24

and his brothers age=12

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